drawinglayer/source/primitive2d/PolyPolygonGraphicPrimitive2D.cxx

   1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
   2 /*
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   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   9  * This file incorporates work covered by the following license notice:
  10  *
  11  *   Licensed to the Apache Software Foundation (ASF) under one or more
  12  *   contributor license agreements. See the NOTICE file distributed
  13  *   with this work for additional information regarding copyright
  14  *   ownership. The ASF licenses this file to you under the Apache
  15  *   License, Version 2.0 (the "License"); you may not use this file
  16  *   except in compliance with the License. You may obtain a copy of
  17  *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
  18  */
  19
  20 #include <drawinglayer/primitive2d/PolyPolygonGraphicPrimitive2D.hxx>
  21
  22 #include <basegfx/matrix/b2dhommatrix.hxx>
  23 #include <basegfx/matrix/b2dhommatrixtools.hxx>
  24 #include <drawinglayer/primitive2d/drawinglayer_primitivetypes2d.hxx>
  25 #include <drawinglayer/primitive2d/fillgraphicprimitive2d.hxx>
  26 #include <drawinglayer/primitive2d/maskprimitive2d.hxx>
  27 #include <utility>
  28 #include <vcl/graph.hxx>
  29
  30 using namespace com::sun::star;
  31
  32 namespace drawinglayer::primitive2d
  33 {
  34 void PolyPolygonGraphicPrimitive2D::create2DDecomposition(
  35     Primitive2DContainer& rContainer, const geometry::ViewInformation2D& /*rViewInformation*/) const
  36 {
  37     if (getFillGraphic().isDefault())
  38         return;
  39
  40     const Graphic& rGraphic = getFillGraphic().getGraphic();
  41     const GraphicType aType(rGraphic.GetType());
  42
  43     // is there a bitmap or a metafile (do we have content)?
  44     if (GraphicType::Bitmap != aType && GraphicType::GdiMetafile != aType)
  45         return;
  46
  47     const Size aPrefSize(rGraphic.GetPrefSize());
  48
  49     // does content have a size?
  50     if (!(aPrefSize.Width() && aPrefSize.Height()))
  51         return;
  52
  53     // create SubSequence with FillGraphicPrimitive2D based on polygon range
  54     const basegfx::B2DRange aOutRange(getB2DPolyPolygon().getB2DRange());
  55     const basegfx::B2DHomMatrix aNewObjectTransform(
  56         basegfx::utils::createScaleTranslateB2DHomMatrix(aOutRange.getRange(),
  57                                                          aOutRange.getMinimum()));
  58     Primitive2DReference xSubRef;
  59
  60     if (aOutRange != getDefinitionRange())
  61     {
  62         // we want to paint (tiled) content which is defined relative to DefinitionRange
  63         // with the same tiling and offset(s) in the target range of the geometry (the
  64         // polygon). The range given in the local FillGraphicAttribute defines the position
  65         // of the graphic in unit coordinates relative to the DefinitionRange. Transform
  66         // this using DefinitionRange to get to the global definition and then with the
  67         // inverse transformation from the target range to go to unit coordinates relative
  68         // to that target coordinate system.
  69         basegfx::B2DRange aAdaptedRange(getFillGraphic().getGraphicRange());
  70
  71         const basegfx::B2DHomMatrix aFromDefinitionRangeToGlobal(
  72             basegfx::utils::createScaleTranslateB2DHomMatrix(getDefinitionRange().getRange(),
  73                                                              getDefinitionRange().getMinimum()));
  74
  75         aAdaptedRange.transform(aFromDefinitionRangeToGlobal);
  76
  77         basegfx::B2DHomMatrix aFromGlobalToOutRange(
  78             basegfx::utils::createScaleTranslateB2DHomMatrix(aOutRange.getRange(),
  79                                                              aOutRange.getMinimum()));
  80         aFromGlobalToOutRange.invert();
  81
  82         aAdaptedRange.transform(aFromGlobalToOutRange);
  83
  84         const drawinglayer::attribute::FillGraphicAttribute aAdaptedFillGraphicAttribute(
  85             getFillGraphic().getGraphic(), aAdaptedRange, getFillGraphic().getTiling(),
  86             getFillGraphic().getOffsetX(), getFillGraphic().getOffsetY());
  87
  88         xSubRef = new FillGraphicPrimitive2D(aNewObjectTransform, aAdaptedFillGraphicAttribute);
  89     }
  90     else
  91     {
  92         xSubRef = new FillGraphicPrimitive2D(aNewObjectTransform, getFillGraphic());
  93     }
  94
  95     // embed to mask primitive
  96     rContainer.push_back(new MaskPrimitive2D(getB2DPolyPolygon(), Primitive2DContainer{ xSubRef }));
  97 }
  98
  99 PolyPolygonGraphicPrimitive2D::PolyPolygonGraphicPrimitive2D(
 100     basegfx::B2DPolyPolygon aPolyPolygon, const basegfx::B2DRange& rDefinitionRange,
 101     const attribute::FillGraphicAttribute& rFillGraphic)
 102     : maPolyPolygon(std::move(aPolyPolygon))
 103     , maDefinitionRange(rDefinitionRange)
 104     , maFillGraphic(rFillGraphic)
 105 {
 106 }
 107
 108 bool PolyPolygonGraphicPrimitive2D::operator==(const BasePrimitive2D& rPrimitive) const
 109 {
 110     if (BufferedDecompositionPrimitive2D::operator==(rPrimitive))
 111     {
 112         const PolyPolygonGraphicPrimitive2D& rCompare
 113             = static_cast<const PolyPolygonGraphicPrimitive2D&>(rPrimitive);
 114
 115         return (getB2DPolyPolygon() == rCompare.getB2DPolyPolygon()
 116                 && getDefinitionRange() == rCompare.getDefinitionRange()
 117                 && getFillGraphic() == rCompare.getFillGraphic());
 118     }
 119
 120     return false;
 121 }
 122
 123 // provide unique ID
 124 sal_uInt32 PolyPolygonGraphicPrimitive2D::getPrimitive2DID() const
 125 {
 126     return PRIMITIVE2D_ID_POLYPOLYGONGRAPHICPRIMITIVE2D;
 127 }
 128
 129 } // end drawinglayer::primitive2d namespace
 130
 131 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */